2
7
P
P
P
S
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Table 39
Example for field processing
Notes
1.
2.
3.
4.
5.
Single task every field; OFIDC = 0; subaddress 90H at 40H; TEB[80H[5]] = 0.
Tasks are used to scale to different output windows, priority on task B after SWRST.
Both tasks at
1
2
frame rate; OFIDC = 0; subaddresses 90H at 43H and C0H at 42H.
In examples 3 and 4 the association between input FID and tasks can be flipped, dependent on which time the SWRST is de-asserted.
Task B at
2
3
frame rate constructed from neighbouring motion phases; task A at
1
3
frame rate of equidistant motion phases; OFIDC = 1;
subaddresses 90H at 41H and C0H at 45H.
Task A and B at
1
3
frame rate of equidistant motion phases; OFIDC = 1; subaddresses 90H at 41H and C0H at 49H.
State of prior field.
It is assumed that input/output FID = 0 (upper lines); UP = upper lines; LO = lower lines.
O = data output; NO = no output.
6.
7.
8.
9.
SUBJECT
FIELD SEQUENCE FRAME/FIELD
EXAMPLE 1
(1)
EXAMPLE 2
(2)(3)
EXAMPLE 3
(2)(4)(5)
EXAMPLE 4
(2)(4)(6)
1/1
1/2
2/1
1/1
1/2
2/1
2/2
1/1
1/2
2/1
2/2
3/1
3/2
1/1
1/2
2/1
2/2
3/1
3/2
Processed by task
State of detected
ITU 656 FID
TOGGLE flag
Bit 6 of SAV/EAV byte
Required sequence
conversion at the vertical
scaler
(8)
Output
(9)
A
0
A
1
A
0
B
0
A
1
B
0
A
1
B
0
B
1
A
0
B
1
B
0
A
1
B
0
B
1
A
0
B
1
B
0
A
1
1
0
0
1
1
0
1
0
1
1
0
0
0
1
1
1
0
0
1
1
1
1
0
0
0
0
0
(7)
0
(7)
UP
↓
UP
NO
1
1
1
1
1
(7)
1
(7)
LO
↓
LO
NO
0
0
0
0
UP
↓
UP
O
LO
↓
LO
O
UP
↓
UP
O
UP
↓
UP
O
LO
↓
LO
O
UP
↓
UP
O
LO
↓
LO
O
UP
↓
LO
O
LO
↓
UP
O
UP
↓
LO
O
LO
↓
LO
O
UP
↓
UP
O
LO
↓
UP
O
LO
↓
LO
O
UP
↓
LO
O
UP
↓
UP
O
LO
↓
UP
O